<template>
  <div class="login_container">
    <div class="login_box">
      <!--   头像区域   -->
      <div class="avater_box">
        <img src="../assets/logo.png">
      </div>
      <!--   表单区域   -->
      <el-form class="login_form" ref="loginFormRef" :model="form" :rules="loginFormRules">
        <!--    用户名    -->
        <el-form-item prop="username">
          <el-input v-model="form.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!--    密码    -->
        <el-form-item prop="password">
          <el-input v-model="form.password" prefix-icon="iconfont icon-lock_fill"
                    type="password"></el-input>
        </el-form-item>
        <!--    按钮    -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="reactLoginFrom">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>export default {
  name: 'login',
  data () {
    return {
      // 表单数据
      form: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证
      loginFormRules: {
        username: [
          {
            required: true, message: '请输入用户名', trigger: 'blur'
          },
          {
            min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur'
          }
        ],
        password: [
          {
            required: true, message: '请输入密码', trigger: 'blur'
          },
          {
            min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    // 重置
    reactLoginFrom () {
      this.$refs.loginFormRef.resetFields()
    },
    // 登录
    login () {
      this.$refs.loginFormRef.validate(valid => {
        if (!valid) return
        this.$http.post('login', this.form).then(res => {
          if (res.data.meta.status !== 200) return this.$message.error('登录失败!')
          this.$message.success('登陆成功!')
          // 存储token
          window.sessionStorage.setItem('token', res.data.data.token)
          // 跳转
          this.$router.push('/home')
        })
      })
    }
  }
}
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    /*盒子局中*/
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avater_box {
      width: 130px;
      height: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      /*阴影*/
      box-shadow: 0 0 10px #ddd;
      /*局中*/
      position: absolute;
      left: 50%;
      /*位移*/
      transform: translate(-50%, -50%);
      background-color: #fff;

      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }

    .btns {
      display: flex;
      justify-content: flex-end;
    }

    .login_form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
    }
  }
</style>
